Reversible left or right hand design ANSI Grade-3 Certified for residential security, with 2-way not removable latch Fits 2-3/4-inch and 2-3/8-inch backsets; Fits 1-3/8-inch and 1-3/4-inch thick doors Privacy Lock; locks from the inside with a turn-button and feature clearance hole on outside knob/lever to permit emergency release with a nail or like object. 5-Year limited mechanical/5-Year limited finish warranty